Core framing, measurement, and materials concepts tested on entry-level carpentry apprenticeship and licensing exams.
39 cards · basic cards · AI-written, checked twice. Edit anything.
- What is the standard spacing for wall studs in residential framing?
- 16 inches on center (or 24 inches on center for some applications)
- What is the purpose of a header in framing?
- To support the load above an opening like a door or window
- What is the standard spacing for floor joists in residential construction?
- 16 inches on center (or 12 inches or 24 inches depending on span and lumber grade)
- What does 'on center' mean in framing?
- Measured from the center of one member to the center of the next member
- What is a stud?
- A vertical framing member that forms the skeleton of a wall
- What is a plate in framing?
- A horizontal member that runs along the top or bottom of a wall (top plate or sole plate)
- What is the difference between a rafter and a joist?
- Rafters are angled members that form a roof, joists are horizontal members that form a floor
- What is a ledger board?
- A board bolted to the side of a rim joist or band board to support a deck or addition
- What is the standard lumber size designation for what is actually 1.5 by 3.5 inches?
- 2 by 4 (nominal sizing, actual dimensions are smaller)
- What does 'nominal size' mean for lumber?
- The size a piece of wood is called, not its actual finished dimensions
- What is the actual thickness of a 1-inch board?
- Approximately 0.75 inches for surfaced lumber
- What is a moisture meter used for?
- To measure the moisture content of wood to prevent warping and shrinking
- What grade of lumber is typically used for structural framing?
- No. 2 or better (or similar structural grades like Select Structural)
- What is the purpose of a rim joist?
- To close off the edge of a floor system and provide a nailing surface
- What is a blocking?
- Short pieces of wood installed between framing members to provide support, bracing, or a nailing surface